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WO2000055611A3 - Cellule de mesure de la conductivite de liquides et procede de mesure de la conductivite d'un liquide - Google Patents

Cellule de mesure de la conductivite de liquides et procede de mesure de la conductivite d'un liquide Download PDF

Info

Publication number
WO2000055611A3
WO2000055611A3 PCT/NL2000/000169 NL0000169W WO0055611A3 WO 2000055611 A3 WO2000055611 A3 WO 2000055611A3 NL 0000169 W NL0000169 W NL 0000169W WO 0055611 A3 WO0055611 A3 WO 0055611A3
Authority
WO
WIPO (PCT)
Prior art keywords
measuring
conductivity
measuring cell
liquids
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/NL2000/000169
Other languages
English (en)
Other versions
WO2000055611A2 (fr
Inventor
Der Grinten Josephus Georg Van
Cornelia Elizabeth Boot
Charles Martin Euduard Peters
Hans Alphonsius Mari Steijaert
Theodoor Lein Hafkenscheid
Andreas Adrianus Mari Trarbach
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NMI VAN SWINDEN LABORATORIUM BV
NMI VAN SWINDEN LAB BV
Original Assignee
NMI VAN SWINDEN LABORATORIUM BV
NMI VAN SWINDEN LAB BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NMI VAN SWINDEN LABORATORIUM BV, NMI VAN SWINDEN LAB BV filed Critical NMI VAN SWINDEN LABORATORIUM BV
Publication of WO2000055611A2 publication Critical patent/WO2000055611A2/fr
Publication of WO2000055611A3 publication Critical patent/WO2000055611A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
    • G01N27/07Construction of measuring vessels; Electrodes therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

L'invention concerne une cellule de mesure de la conductivité de liquides. La cellule de mesure comprend deux électrodes extérieures opposées, une première source de courant, une électrode de référence et un voltmètre. La cellule de mesure comprend également une électrode perforée disposée amovible entre les deux électrodes extérieures ; une deuxième source de courant, la première et la deuxième source de courant envoyant respectivement un premier et un deuxième courant entre les électrodes extérieures et l'électrode perforée ; un dispositif de déplacement destiné à déplacer l'électrode perforée dans différentes positions ; et un dispositif de commutation destiné à commuter le premier et le deuxième courant entre les électrodes extérieures et l'électrode perforée. Les électrodes, les sources de courant, le voltmètre et le dispositif de commutation se trouvent dans un circuit. L'invention concerne également un dispositif de mesure de la conductivité d'un liquide au moyen de la cellule de mesure.
PCT/NL2000/000169 1999-03-12 2000-03-13 Cellule de mesure de la conductivite de liquides et procede de mesure de la conductivite d'un liquide Ceased WO2000055611A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1011540 1999-03-12
NL1011540A NL1011540C2 (nl) 1999-03-12 1999-03-12 Meetcel voor het meten van de geleidbaarheid van vloeistoffen en werkwijze voor het meten van de geleidbaarheid van een vloeistof.

Publications (2)

Publication Number Publication Date
WO2000055611A2 WO2000055611A2 (fr) 2000-09-21
WO2000055611A3 true WO2000055611A3 (fr) 2001-04-05

Family

ID=19768827

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2000/000169 Ceased WO2000055611A2 (fr) 1999-03-12 2000-03-13 Cellule de mesure de la conductivite de liquides et procede de mesure de la conductivite d'un liquide

Country Status (2)

Country Link
NL (1) NL1011540C2 (fr)
WO (1) WO2000055611A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8342775B2 (en) * 2004-06-30 2013-01-01 Agri Drain Corporation Groundwater control system with purity sensor and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB982290A (en) * 1960-03-16 1965-02-03 Wayne Kerr Lab Ltd Improvements in or relating to apparatus for measuring the electrical conductivity of liquids
NL7509233A (nl) * 1974-08-02 1976-02-04 Kent Ltd G Meetcel voor het meten van de elektrische ge- leidbaarheid van vloeistoffen.
US5138264A (en) * 1988-12-29 1992-08-11 Hitachi, Ltd. Apparatus for measuring electrical conductivity
WO1997016726A1 (fr) * 1995-11-02 1997-05-09 Chiron Diagnostics Corporation Capteur d'hematocrite du type planar comportant une cellule de mesure de la conductibilite possedant sept electrodes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB982290A (en) * 1960-03-16 1965-02-03 Wayne Kerr Lab Ltd Improvements in or relating to apparatus for measuring the electrical conductivity of liquids
NL7509233A (nl) * 1974-08-02 1976-02-04 Kent Ltd G Meetcel voor het meten van de elektrische ge- leidbaarheid van vloeistoffen.
US5138264A (en) * 1988-12-29 1992-08-11 Hitachi, Ltd. Apparatus for measuring electrical conductivity
WO1997016726A1 (fr) * 1995-11-02 1997-05-09 Chiron Diagnostics Corporation Capteur d'hematocrite du type planar comportant une cellule de mesure de la conductibilite possedant sept electrodes

Also Published As

Publication number Publication date
WO2000055611A2 (fr) 2000-09-21
NL1011540C2 (nl) 2000-10-03

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